1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/display/pan 4 $id: http://devicetree.org/schemas/display/panel/olimex,lcd-olinuxino.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Olimex Ltd. LCD-OLinuXino bridge panel. 7 title: Olimex Ltd. LCD-OLinuXino bridge panel.
8 8
9 maintainers: 9 maintainers:
10 - Stefan Mavrodiev <stefan@olimex.com> 10 - Stefan Mavrodiev <stefan@olimex.com>
11 11
12 description: | 12 description: |
13 This device can be used as bridge between a 13 This device can be used as bridge between a host controller and LCD panels.
14 Currently supported LCDs are: 14 Currently supported LCDs are:
15 - LCD-OLinuXino-4.3TS 15 - LCD-OLinuXino-4.3TS
16 - LCD-OLinuXino-5 16 - LCD-OLinuXino-5
17 - LCD-OLinuXino-7 17 - LCD-OLinuXino-7
18 - LCD-OLinuXino-10 18 - LCD-OLinuXino-10
19 19
20 The panel itself contains: 20 The panel itself contains:
21 - AT24C16C EEPROM holding panel identifica 21 - AT24C16C EEPROM holding panel identification and timing requirements
22 - AR1021 resistive touch screen controller 22 - AR1021 resistive touch screen controller (optional)
23 - FT5x6 capacitive touch screen controller 23 - FT5x6 capacitive touch screen controller (optional)
24 - GT911/GT928 capacitive touch screen cont 24 - GT911/GT928 capacitive touch screen controller (optional)
25 25
26 The above chips share same I2C bus. The EEPR 26 The above chips share same I2C bus. The EEPROM is factory preprogrammed with
27 device information (id, serial, etc.) and ti 27 device information (id, serial, etc.) and timing requirements.
28 28
29 Touchscreen bingings can be found in these f 29 Touchscreen bingings can be found in these files:
30 - input/touchscreen/goodix.yaml 30 - input/touchscreen/goodix.yaml
31 - input/touchscreen/edt-ft5x06.txt 31 - input/touchscreen/edt-ft5x06.txt
32 - input/touchscreen/ar1021.txt 32 - input/touchscreen/ar1021.txt
33 33
34 allOf: 34 allOf:
35 - $ref: panel-common.yaml# 35 - $ref: panel-common.yaml#
36 36
37 properties: 37 properties:
38 compatible: 38 compatible:
39 const: olimex,lcd-olinuxino 39 const: olimex,lcd-olinuxino
40 40
41 reg: 41 reg:
42 maxItems: 1 42 maxItems: 1
43 43
44 backlight: true 44 backlight: true
45 enable-gpios: true 45 enable-gpios: true
46 power-supply: true 46 power-supply: true
47 47
48 required: 48 required:
49 - compatible 49 - compatible
50 - reg 50 - reg
51 - power-supply 51 - power-supply
52 52
53 additionalProperties: false 53 additionalProperties: false
54 54
55 examples: 55 examples:
56 - | 56 - |
57 #include <dt-bindings/gpio/gpio.h> 57 #include <dt-bindings/gpio/gpio.h>
58 58
59 i2c { 59 i2c {
60 #address-cells = <1>; 60 #address-cells = <1>;
61 #size-cells = <0>; 61 #size-cells = <0>;
62 62
63 panel@50 { 63 panel@50 {
64 compatible = "olimex,lcd-olinuxino 64 compatible = "olimex,lcd-olinuxino";
65 reg = <0x50>; 65 reg = <0x50>;
66 power-supply = <®_vcc5v0>; 66 power-supply = <®_vcc5v0>;
67 enable-gpios = <&pio 7 8 GPIO_ACTI 67 enable-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>;
68 backlight = <&backlight>; 68 backlight = <&backlight>;
69 }; 69 };
70 }; 70 };
71 71
72 ... 72 ...
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